APA (7th ed.) Zitazioa

Kurzweil, R. (2005). The singularity is near: When humans transcend biology. Viking.

Chicago Style (17th ed.) Zitazioa

Kurzweil, Ray. The Singularity Is Near: When Humans Transcend Biology. New York: Viking, 2005.

MLA (9th ed.) Zitazioa

Kurzweil, Ray. The Singularity Is Near: When Humans Transcend Biology. Viking, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.